Home
Class 12
PHYSICS
Calculate the Momentum,...

Calculate the
Momentum,

Text Solution

Verified by Experts

Given, `V = 56 V, e = 1.6xx10^(-19)c, m = 9xx10^(-31)kg`
As `KE=(P^(2))/(2m) rArr 2m(KE)= P^(2) rArr P = sqrt(2m(KE)) = sqrt(2m eV) [because KE = eV]`
`therefore P = sqrt(2xx9xx10^(-31)xx1.6xx10^(-31)xx56) = 4.02xx10^(-24) kg-m//s`
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise ADDITIONAL EXERCISES|27 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise DAM SURE (VSAQ)|2 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise LONG ANSWER QUESTIONS|2 Videos
  • CURRENT ELECTRICITY

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise ADDITIONAL EXERCISES|22 Videos
  • ELECTRIC CHARGES AND FIELDS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise DAM SURE LAQ|1 Videos

Similar Questions

Explore conceptually related problems

Calculate the (a) momentum, and (b) de Broglie wavelength of the electrons accelerated through a potential difference of 56 V.

Calculate the (a)momentum and (b) de - Brogile wavelength of the electrons accelerated through a potential difference of 56 V.

What is the momentum

If the position of the electon is meaured within an accuracy of pm0.002 nm , calculate the uncertainty in the momentum of the electron .

Two spheres A and B collide. If the momentum of A is doubled in the collision then

VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-DUAL NATURE OF RADIATION AND MATTER-TEXTUAL EXERCISES
  1. The work function for a certain metal is 4.2 eV. Will this metal give ...

    Text Solution

    |

  2. Light of frequency 7.21xx10^(14) Hz is incident on metal surface. Elec...

    Text Solution

    |

  3. Light of wavelength 488 nm is produced by an argon laser which is used...

    Text Solution

    |

  4. Calculate the Momentum,

    Text Solution

    |

  5. Calculate the de Broglie wavelength of the electrons accelerated thr...

    Text Solution

    |

  6. What is the momentum

    Text Solution

    |

  7. What is the Speed

    Text Solution

    |

  8. What is the Be Broglie wavelength of an electron with kinetic energy...

    Text Solution

    |

  9. The wavelength of light from the spectral emission line of sodium is 5...

    Text Solution

    |

  10. The wavelength of light from the spectral emission line of sodium is 5...

    Text Solution

    |

  11. What is the de-Broglie wavelength of (a) a bullet of mass 0.040kg trav...

    Text Solution

    |

  12. What is the de-Broglie wavelength of (a) a bullet of mass 0.040kg trav...

    Text Solution

    |

  13. What is the de Broglie wavelength of A dust particle of mass 1.0xx1...

    Text Solution

    |

  14. An electron and a photon each have a wavelength 1.00 nm. Find (i) ...

    Text Solution

    |

  15. An electron and a photon each have a wavelength 1.00 nm. Find (i) ...

    Text Solution

    |

  16. An electron and a photon each have a wavelength 1.00 nm. Find (i) ...

    Text Solution

    |

  17. For what kinetic energy of a neutron will the associated de-Broglie wa...

    Text Solution

    |

  18. A. For what kinetic energy of neutron will the associated de Broglie w...

    Text Solution

    |

  19. Show that the wavelength of electromagnetic radiation is equal to the ...

    Text Solution

    |

  20. What is the de-Broglie wavelength of nitrogen molecule in air at 300K ...

    Text Solution

    |